<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Dojo
 * @subpackage Form
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/** Zend_Form_SubForm */
require_once 'Zend/Form/SubForm.php';

/**
 * Dijit-enabled SubForm
 *
 * @uses       Zend_Form_SubForm
 * @package    Zend_Dojo
 * @subpackage Form
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: SubForm.php 23775 2011-03-01 17:25:24Z ralph $
 */
class Zend_Dojo_Form_SubForm extends Zend_Form_SubForm {
	/**
	 * Has the dojo view helper path been registered?
	 * @var bool
	 */
	protected $_dojoViewPathRegistered = false;
	
	/**
	 * Constructor
	 *
	 * @param  array|Zend_Config|null $options
	 * @return void
	 */
	public function __construct($options = null) {
		$this->addPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator', 'decorator' )->addPrefixPath ( 'Zend_Dojo_Form_Element', 'Zend/Dojo/Form/Element', 'element' )->addElementPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator', 'decorator' )->addDisplayGroupPrefixPath ( 'Zend_Dojo_Form_Decorator', 'Zend/Dojo/Form/Decorator' )->setDefaultDisplayGroupClass ( 'Zend_Dojo_Form_DisplayGroup' );
		parent::__construct ( $options );
	}
	
	/**
	 * Load the default decorators
	 *
	 * @return void
	 */
	public function loadDefaultDecorators() {
		if ($this->loadDefaultDecoratorsIsDisabled ()) {
			return;
		}
		
		$decorators = $this->getDecorators ();
		if (empty ( $decorators )) {
			$this->addDecorator ( 'FormElements' )->addDecorator ( 'HtmlTag', array ('tag' => 'dl' ) )->addDecorator ( 'ContentPane' );
		}
	}
	
	/**
	 * Get view
	 *
	 * @return Zend_View_Interface
	 */
	public function getView() {
		$view = parent::getView ();
		if (! $this->_dojoViewPathRegistered) {
			if (false === $view->getPluginLoader ( 'helper' )->getPaths ( 'Zend_Dojo_View_Helper' )) {
				$view->addHelperPath ( 'Zend/Dojo/View/Helper', 'Zend_Dojo_View_Helper' );
			}
			$this->_dojoViewPathRegistered = true;
		}
		return $view;
	}
}
